"The country's largest nuclear plant operator, Exelon Corp., has publicly fought to torpedo the wind industry's coveted production tax credits, calling them financial threats to its reactors in the Midwest. But the Chicago-based utility is also cashing in on those credits, known as PTCs."

"Exelon's third-quarter earnings results released last week show the company benefiting from the tax incentives that provide wind developers with $23 for every megawatt-hour of electricity they produce. Details about which of Exelon's 44 wind projects generate the PTCs are private."